/* Voir http://dmouronval.developpez.com/tutoriels/css/fenetre-modale-css3/ */
#modalCheck {
    display: none;
}

.modalLayer {
    display: none;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    width: 100%;
    height: 100%;
    margin: 0;
}

#modalCheck:checked+.modalLayer {
    display: block;
}

.popup_block {
    background: #fff;
    padding: 20px;
    /* border: 20px solid #ddd; */
    position: relative;
    margin: 10% auto;
    width: 35%;
    /* height: 20%; */
    box-shadow: 0px 0px 20px #000;
    /* border-radius: 10px; */
    min-height: 156px;
    color: #369;
}

.popup_block_bottom_right {
    background: #fff;
    border: 20px solid #ddd;
    box-shadow: 0px 0px 20px #000;
    border-radius: 10px;
    min-height: 156px;
    color: #369;
    padding: 20px;
    /*
   margin: auto;
   width: 40%;
   top:300px;
*/
    position: relative;
    right: -30%;
    bottom: -20%;
    width: 40%;
}

img.btn_close {
    float: right;
    margin: -55px -55px 0 0;
    cursor: pointer;
}

.libelle {
    color: #666;
}